Rafael

RAFAEL Chernivtsi, Ukraine

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MUSTAFAIEV [open contact info](look above in the "contact info" section)

FULLSTACK DEVELOPER

ABOUT ME WORK EXPERIENCE

Full Stack Software Engineer EPAM Full Stack
experienced in designing Lviv
scalable systems, modeling Sep 2024- Present Worked on a large-scale enterprise platform for
complex domains, integrating managing companies, brands, suppliers, creatives, and
cloud services, and leading complex multi-step campaign workflows.
engineering teams.
Key contributions:

• Designed and implemented a Clean Architecture +
CQRS backend solution from scratch using .NET 8.

• Modeled complex relational schemas and optimized
SKILLS high-volume data access across multiple business
domains.

• BACKEND & SERVER-SIDE • Integrated a wide range of AWS services (S3, SES,
C# DynamoDB, CloudWatch, SQS, SNS, Cognito) to
support distributed workflows, authentication,
messaging, and data storage.
VISUAL BASIC
• Built three Angular applications from scratch
.NET FRAMEWORK (Angular 16+), delivering modular architecture, multi-
step forms, dynamic validation, and fully reactive UI
.NET CORE using RxJS.

ASP.NET MVC • Improved developer workflows and overall code
quality through architectural guidance, code reviews,
ASP.NET WEB API and mentorship of junior engineers.

• Contributed to planning and coordinating tasks
ASP.NET CORE within cross-functional teams, ensuring delivery of
features across backend, frontend, and cloud layers.
ENTITY FRAMEWORK

NHIBERNATE
AB CLOUDZ Full Stack
GO Kharkiv
Oct 2021 Worked on healthcare and medical workflow systems
NODE.JS requiring high data accuracy, real-time
communication, and complex backend logic.
WINDOWS FORMS
Key contributions:
WPF • Developed backend features and optimized
complex SQL queries, stored procedures, and
performance-critical operations in medical data
workflows.
• ARCHITECTURE & PATTERNS
• Built AWS Lambda functions and integrated AWS
ARCHITECTURAL STYLES services to automate backend processes and event-
driven logic.
DOMAIN APPROACHES
• Implemented real-time communication features
using SignalR, including a multi-user chat system and
DESIGN PATTERNS
live updates across the application.
CODE PRINCIPLES • Integrated Firebase services for push notifications,
messaging, and mobile interaction.
 • Designed and implemented reminder and
notification logic across multiple delivery channels.
• DATABASES & STORAGE
• Collaborated with cross-functional teams and
MS SQL SERVER contributed to improving code quality,
maintainability, and application stability.
POSTGRESQL • Developed a React-based web application from
scratch, including both the main user-facing web
MONGODB platform and an administrative panel.

MYSQL • Led the rewriting and modernization of the core
product frontend, migrating legacy UI to a modern
REDIS React architecture.

DYNAMODB • Actively worked with Azure services (e.g., App
Services, Azure Storage, Azure Service Bus /
Functions, etc.) as part of the cloud infrastructure.

• MESSAGING &
BACKGROUND PROCESSING EDUCATION
RABBITMQ
CHNU Master of Science
HANGFIRE Chernivtsi
2023 Platformer game that was developed for Android
AWS SQS/ AWS SNS device and as well as for PC. In the PC version of the
game was implemented additional functionality to
Azure Service Bus save and load saved game. Game was developed in
2D. In addition game was covered with design and
animations.

Racing game with destruction points in 3D. In this
• CLOUD & DEVOPS / game you could participate in racing where your car
INFRASTRUCTURE could should with homing missiles to the car bots. As
additional functionality was implemented garage
AWS functionality. Neighborhood was implemented with
animations (trees, water, etc.).
AZURE It was a course work for the university, where I had
to implement algorithm, using 2.5D simple game in
DOCKER Unity. For that I implemented A* algorithm in my
game to find the shortest and fastest way from one
ELASTIC STACK point to another.

HASHICORP Application on Windows Forms, which hacked Need
For Speed – Most Wanted game and added
additional game moneys that defined by user.

Windows Presentation Foundation (WPF) application
• FRONTEND that simulated racing with some bets. User could
authorize with starter $1000 money and in
ANGULAR application user looked like geometrical figure. It was
randomly defined racing between user and bots. All
ANGULARJS data about users was stored in the MS SQL database.
In addition, when user was logged in with
REACT Administrator privileges, then he could see data about
all users and send that information to the mail.
VUE.JS
And other small applications to learn things, like
Caesar method, AEC, PCA, Simple DES, etc.
JAVASCRIPT
In addition I have practiced with several web sites to
TYPESCRIPT deeply understand the following: ASP.NET MVC,
HTML, CSS, JavaScript, PHP.
HTML5

CSS3
• TESTING

SELENIUM TEST

UNITY TEST

INTEGRATION TESTS

• TOOLS & OTHER

GIT

SWAGGER

LINKS

LinkedIn:
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-shpot/

Telegram:
https://t.me/DavinTreXX

HOBBIES

Developing games for PC
and Android using Unity
engine

PERSONAL DETAILS
Date of birth
01/04/1997

Nationality
Ukraine

LANGUAGES
UKRAINIAN - NATIVE

AZERBAIJANI - NATIVE

ENGLISH - B2